Valentin Solomko — valpere

AI & Machine Learning · Payment Systems Integration

Kyiv, Ukraine

Extracts everything

Management: JFrog Artifactory, Nexus - Monitoring & Reliability: Prometheus, Grafana, centralized logging (ELK, Uber-Zap) - Deployment: GitHub Pages, Railway, Replit, Vercel, Supabase, Upstash. - Troubleshooting: metrics/alerts/monitoring/profiling ️ Data & Storage Systems: - Relational Databases: PostgreSQL / Supabase, MySQL , SQLite, Interbase / Firebird - SQL optimization - NoSQL / Key-Value Stores: MongoDB, Redis…

Vladyslav Ocheretnyi — ocheretnyi_vlad

Web Programming · Payment Systems Integration

Lvov, Ukraine

support. I turn ideas into production-ready systems built for real users and real traffic.What I buildweb platforms & SaaS applicationsAndroid mobile appsanalytics & high-load platformse-commerce / marketplace systemsVPN, cybersecurity & anti-fraud solutionsgaming tools & community platformsTech StackLaravel (API, Octane, Horizon, Redis , ClickHouse), Next.js, Kotlin/Android, Docker, PostgreSQL /MySQL, Redis…

Vitalii Shutenko — waytrel

Web Programming · Payment Systems Integration

Kyiv, Ukraine

591 6

MySQL , Redis , server configuration)Plugin, module, and theme development & customizationSite migration and secure server setup (Linux) Why choose me:Deep expertise in e-commerceExperience with high-traffic websites (100k+ visitors)Transparent communication and on-time deliveryClean, maintainable code and reliable architecture Tech stack: PHP, Laravel, Symfony, WordPress/WooCommerce, JavaScript, jQuery, Vue.js, MySQL…

Redis / PostgreSQL / MySQL